This past weekend in Wroclaw, Poland, both Radiohead multi-instrumentalist Jonny Greenwood and enigmatic electronic eminence Aphex Twin debuted new orchestral works alongside the hard-to-spell Polish avant-garde composer Krzysztof Penderecki. Greenwood and Aphex both debuted works that remixed or reworked older works from Penderecki, and both of them joined an orchestra onstage to perform those works. We've got video of some ...